AliExpress Caught Fingerprinting Users with Silent Ultrasonic Audio, Brave Can Block It

A developer found AliExpress silently playing ultrasonic audio via the WebAudio API to fingerprint devices by measuring hardware-level processing differences. Brave says its built-in protections can block this tracking technique.

2026-08-23 ~ 2026-08-23 · 2 related posts

• AliExpress caught using audio beacons for fingerprinting, Brave blocks it — gnukeith · 2026-08-23
• AliExpress caught using silent audio waves to fingerprint devices — SumitGup · 2026-08-23